CN216205783U - Horizontal type profile and overall length detection combined device - Google Patents
Horizontal type profile and overall length detection combined device Download PDFInfo
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- CN216205783U CN216205783U CN202122449289.3U CN202122449289U CN216205783U CN 216205783 U CN216205783 U CN 216205783U CN 202122449289 U CN202122449289 U CN 202122449289U CN 216205783 U CN216205783 U CN 216205783U
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Abstract
The utility model provides a horizontal type profile and total length detection combined device, which comprises a bottom plate, a profile measuring tool, a sliding assembly and a small-head arc measuring block, wherein the profile measuring tool, the sliding assembly and the small-head arc measuring block are arranged on the bottom plate; the arc slide block base of the sliding assembly is installed on the bottom plate, the cambered surface of the arc slide block base is far away from the profile measuring tool, the arc slide block base is provided with a pair of sample plate fixing blocks through a large-head arc slide block arranged on the side cambered surface, a vertically installed large-head conical surface sample plate is clamped between the pair of sample plate fixing blocks, and the large-head conical surface sample plate moves on the arc slide block base along the cambered surface under the driving of the large-head arc slide block. The utility model has smart structure, realizes the measurement of the profile and the end surface of the blade on the same measuring tool, achieves the purposes of profile inspection and overall length detection, and reduces the cost.
Description
Technical Field
The utility model mainly relates to the field of blade quality inspection, in particular to a horizontal type profile and total length detection combined device.
Background
The current inspection of the blade is a separate measurement of the profile inspection and the overall length inspection. And after the procedures of numerical control machining and polishing the molded surface, three tip holes on two end surfaces of the blade are used as references to detect the deviation between the molded surface and the sample plate. And after the molded surface is detected to be qualified, the two end surfaces of the blade are processed by linear cutting. At this time, the three tip holes at the two ends of the blade are cut off, so that the molded surface is required to be measured again when the finished product is finally inspected, and the molded surface measuring tool cannot be used due to the fact that the molded surface measuring tool does not have a positioning reference.
The problems of the existing products are as follows:
1, the profile measuring tool cannot be used after two end surfaces are processed;
2, the difference between the gear positioning sample plate of the overall length measuring tool and the positioning sample plate of the profile measuring tool is very small, but two pieces need to be processed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a horizontal type profile and total length detection combined device, which comprises a bottom plate 1, a profile measuring tool, a sliding assembly and a small-head arc measuring block 2, wherein the profile measuring tool, the sliding assembly and the small-head arc measuring block 2 are arranged on the bottom plate 1, the profile measuring tool is horizontally provided with a deviation of a detected blade detection profile, the sliding assembly is positioned on the large-head conical surface side of the blade, and the small-head arc measuring block 2 is positioned on the small-head conical surface side of the blade to detect the deviation of an end surface;
the sliding assembly comprises a large-head arc sliding block 3, a pair of sample plate fixing blocks 4, a large-head conical surface sample plate 5 and an arc sliding block base 6, the arc sliding block base 6 is installed on the bottom plate 1, the cambered surface of the arc sliding block base 6 is far away from the profile measuring tool, the arc sliding block base 6 is provided with the pair of sample plate fixing blocks 4 through the large-head arc sliding block 3 arranged on the side cambered surface, the large-head conical surface sample plate 5 vertically installed is clamped between the pair of sample plate fixing blocks 4, and the large-head conical surface sample plate 5 moves on the arc sliding block base 6 along the cambered surface under the driving of the large-head arc sliding block 3.
Preferably, the profile measuring tool comprises a gear length positioning block 7, a profile comparison sample plate 8 and a gear positioning sample plate 9, the gear positioning sample plate 9 is installed on the gear length positioning block 7, one side, away from the gear length positioning block 7, of the gear positioning sample plate 9 is a profile modeling, a blade-like inner arc surface, the profile comparison sample plate 8 is arranged above the gear positioning sample plate 9, and the lower side of the profile comparison sample plate 8 is a profile modeling, a blade-like outer arc surface.
Preferably, the number of the gear positioning sample plates 9 is three, the gear positioning sample plates 9 positioned on two sides of the gear length positioning block 7 are fixed through bolts and positioning pins, and the gear positioning sample plates 9 positioned in the middle are fixed through the positioning pins.
Preferably, the gear positioning sample plate 9 comprises an arc-shaped supporting end, a V-shaped groove and a horizontal end, the bottom of the arc-shaped supporting end is connected in a seamless mode through the V-shaped groove, the V-shaped groove supports the steam inlet edge of the blade, and the horizontal end and the L-shaped angle at the bottom of the profile comparison sample plate 8 are arranged oppositely.
Preferably, the arc slider base 6 is fixed on the bottom plate 1 through bolts and positioning pins.
Preferably, the large-head conical surface template 5 and the pair of template fixing blocks 4 are further fixed through bolts.
Preferably, the surface of the small-head arc measuring block 2 close to the small-head side of the blade is in a copying shape simulating the shape of the arc of the small head of the blade, and the small-head arc measuring block 2 is fixed on the bottom plate 1 through a bolt and a positioning pin.
The utility model has the beneficial effects that: the blade profile testing device has the advantages that the blade profile testing device is ingenious in structure, the blade profile and the blade end face are measured on the same testing tool, the purposes of profile inspection and overall length detection are achieved, and the cost is reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a base plate; 2. a small-head arc measuring block; 3. a big-end arc sliding block; 4. a pair of sample plate fixing blocks; 5. a big-end conical surface sample plate; 6. a circular arc slider base; 7. a gear length positioning block; 8. a profile comparison template; 9. and (5) positioning a gear position template.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the present invention includes: the device comprises a base plate 1, a profile measuring tool, a sliding assembly and a small-head arc measuring block 2, wherein the profile measuring tool, the sliding assembly and the small-head arc measuring block 2 are arranged on the base plate 1, the profile measuring tool is horizontally provided with a deviation of a detected profile of a detected blade, the sliding assembly is positioned on the large-head conical surface side of the blade, and the small-head arc measuring block 2 is positioned on the small-head conical surface side of the blade to detect the deviation of an end surface;
the sliding assembly comprises a large-head arc sliding block 3, a pair of sample plate fixing blocks 4, a large-head conical surface sample plate 5 and an arc sliding block base 6, the arc sliding block base 6 is installed on the bottom plate 1, the cambered surface of the arc sliding block base 6 is far away from the profile measuring tool, the arc sliding block base 6 is provided with the pair of sample plate fixing blocks 4 through the large-head arc sliding block 3 arranged on the side cambered surface, the large-head conical surface sample plate 5 vertically installed is clamped between the pair of sample plate fixing blocks 4, and the large-head conical surface sample plate 5 moves on the arc sliding block base 6 along the cambered surface under the driving of the large-head arc sliding block 3.
Preferably in this implementation, the profile measuring tool comprises a gear length positioning block 7, a profile comparison template 8 and a gear positioning template 9, the gear length positioning block 7 is provided with the gear positioning template 9, one side of the gear positioning template 9, which is far away from the gear length positioning block 7, is a profile modeling and blade-like intrados, the profile comparison template 8 is arranged above the gear positioning template 9, and the lower part of the profile comparison template 8 is a profile modeling and blade-like extrados.
Preferably, gear positioning sample plates 9 are arranged in three, the gear positioning sample plates 9 on two sides of the gear length positioning block 7 are fixed through bolts and positioning pins, and the gear positioning sample plate 9 in the middle is fixed through the positioning pins.
In this embodiment, the gear positioning sample plate 9 preferably includes an arc-shaped support end, a V-shaped groove and a horizontal end, the bottom of the arc-shaped support end is seamlessly connected through the V-shaped groove, the V-shaped groove supports the steam inlet edge of the blade, and the horizontal end and the L-shaped angle at the bottom of the profile comparison sample plate 8 are opposite to each other.
Set up above-mentioned structure, utilize V type groove to play the purpose of connecting arc support end and horizontal end on the one hand, on the other hand plays the support blade, prevents the effect of removal, effectively guarantees the precision that the outer cambered surface of later stage blade detected, in addition, utilizes the horizontal end to play the supporting role to the profile to comparing the appearance board.
In the present embodiment, the circular arc slider base 6 is preferably fixed to the base plate 1 by bolts and positioning pins.
In this embodiment, preferably, the large-head conical surface template 5 and the pair of template fixing blocks 4 are further fixed by bolts.
The structure is arranged, and the positioning pin and the bolt are used for positioning and further fixing, so that the vibration of the positioning pin and the bolt in use is prevented.
In this implementation, preferably, the surface of the small-head arc measuring block 2 close to the small-head side of the blade is a profile modeling which simulates the shape of the arc of the small head of the blade, and the small-head arc measuring block 2 is fixed on the bottom plate 1 through a bolt and a positioning pin.
By adopting the structure, the purpose of simply detecting the arc shape of the end face of the blade is achieved by utilizing the profiling structure, but the precision can be ensured at the same time.
The first step is as follows: detecting the blade profile:
the profile measuring tool is used independently when two ends of the blade are not machined, the blade is positioned by the gear positioning sample plate, the axial positioning of the blade is completed by the detachable gear length positioning block, then the profile sample plate is slid, and the gap between the profile of the blade and the sample plate is compared to complete the detection of the profile of the blade;
the second step is that: detection of the end face of the blade:
after the two ends of the blade are machined, the profile measuring tool is fixed on the bottom plate through the positioning pin and the screw, and the machining quality of the two end faces of the blade is checked;
the small end of the blade is tightly attached to the small end arc measuring block, wherein the contact surface of the small end arc measuring block is a theoretical small end arc surface, and the maximum clearance is less than 0.1mm when the blade is tightly attached, so that the blade is qualified;
the arc center line of the arc sliding block base used for sliding coincides with the rotation center of the blade big-head conical surface, and the big-head sample plate sliding assembly can check the gap of the whole big-head conical surface when sliding along the arc, so that the detection purpose is achieved;
therefore, the measuring molded surface can still be used after the two end surfaces of the blade are processed; the gear positioning sample plate of the overall length measuring tool can be replaced by the positioning sample plate of the profile measuring tool.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A horizontal type profile and total length detection combined device is characterized by comprising a bottom plate (1), a profile measuring tool, a sliding assembly and a small-head arc measuring block (2), wherein the profile measuring tool, the sliding assembly and the small-head arc measuring block (2) are arranged on the bottom plate (1), the profile measuring tool is horizontally placed with the deviation of a detected blade detection profile, the sliding assembly is positioned on the large-head conical surface side of a blade, and the small-head arc measuring block (2) is positioned on the small-head conical surface side of the blade to detect the deviation of an end surface;
the sliding assembly comprises a large-head arc sliding block (3), a pair of sample plate fixing blocks (4), a large-head conical surface sample plate (5) and an arc sliding block base (6), the arc sliding block base (6) is installed on the bottom plate (1), the arc surface of the arc sliding block base (6) is far away from the profile measuring tool, the arc sliding block base (6) is provided with the pair of sample plate fixing blocks (4) through the large-head arc sliding block (3) arranged on the side arc surface, the large-head conical surface sample plate (5) vertically installed is clamped between the pair of sample plate fixing blocks (4), and the large-head conical surface sample plate (5) moves on the arc sliding block base (6) along the arc surface under the driving of the large-head arc sliding block (3).
2. The horizontal profile and overall length inspection combination according to claim 1, wherein: the profile measuring tool comprises a gear length positioning block (7), a profile comparison sample plate (8) and a gear positioning sample plate (9), wherein the gear positioning sample plate (9) is installed on the gear length positioning block (7), one side, away from the gear length positioning block (7), of the gear positioning sample plate (9) is a profile modeling, a blade-like inner arc surface is arranged above the gear positioning sample plate (9), the profile comparison sample plate (8) is arranged below the profile comparison sample plate (8), and the blade-like outer arc surface is a profile modeling.
3. The horizontal profile and overall length inspection combination according to claim 2, wherein: the gear positioning sample plates (9) are arranged in a three-position mode, the gear positioning sample plates (9) located on two sides of the gear length positioning block (7) are fixed through bolts and positioning pins, and the gear positioning sample plate (9) located in the middle is fixed through the positioning pins.
4. The horizontal profile and overall length inspection combination according to claim 3, wherein: gear location model (9) include that the arc supports end, V type groove and horizontal end, the bottom that the arc supported the end passes through V type groove seamless connection, and the admission limit of blade is supported in V type groove, the L type angle of horizontal end and profile contrast model (8) bottom is to establishing each other.
5. The horizontal profile and overall length inspection combination according to claim 4, wherein: the arc sliding block base (6) is fixed on the bottom plate (1) through bolts and positioning pins.
6. The horizontal profile and overall length inspection combination according to claim 5, wherein: the large-head conical surface sample plate (5) and the pair of sample plate fixing blocks (4) are fixed through bolts.
7. The horizontal profile and overall length inspection combination according to claim 6, wherein: the one side that microcephaly circular arc measuring block (2) is close to blade microcephaly side is the profile modeling, imitative blade microcephaly cambered surface shape, microcephaly circular arc measuring block (2) is fixed on bottom plate (1) through bolt and locating pin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122449289.3U CN216205783U (en) | 2021-10-12 | 2021-10-12 | Horizontal type profile and overall length detection combined device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122449289.3U CN216205783U (en) | 2021-10-12 | 2021-10-12 | Horizontal type profile and overall length detection combined device |
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| CN216205783U true CN216205783U (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143860A (en) * | 2022-06-22 | 2022-10-04 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
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2021
- 2021-10-12 CN CN202122449289.3U patent/CN216205783U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143860A (en) * | 2022-06-22 | 2022-10-04 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
| CN115143860B (en) * | 2022-06-22 | 2023-03-14 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
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